SwiftForth®, SwiftX®, and SwiftOS™ are trademarks of FORTH, Inc. and have been in commercial use since 1997. There is no connection whatsoever with the Swift Programming Language for iOS and macOS, which was announced on June 2, 2014 by Apple, Inc. The phrase “FORTH, Inc.”, the graphical logo, and polyFORTH™ are trademarks of FORTH, Inc.